Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12276166 | Device for preventing abrupt blockage in blooie line of gas drilling | Hongtao Li, Gao Li, Yijian Chen | 2025-04-15 |
| 11713674 | Pressure pulse communication system and method during gas drilling | Xingyu Chen, Gao Li, Yijian Chen, Hongtao Li, Lunping Zhang +1 more | 2023-08-01 |
| 10794180 | Mineshaft-stratum fracture coupled flowing simulation experiment device and method | Gao Li, Yi Feng, Shunhui Yang, Yijian Chen, Na Wei +1 more | 2020-10-06 |
| 10415374 | Logging-while-drilling optical fiber communication device | Xingyu Chen, Gao Li, Yijian Chen, Yang Wang, Lunping Zhang | 2019-09-17 |